package com.tanhua.dubbo.api;

import com.tanhua.dubbo.utils.IdWorker;
import com.tanhua.model.mongo.FocusUser;
import com.tanhua.model.mongo.Video;
import com.tanhua.model.vo.PageResult;
import org.apache.dubbo.config.annotation.DubboService;
import org.bson.types.ObjectId;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;

import java.util.List;

/**
 * @program: tanhua
 * @description: 视频
 * @author: leiyukun
 * @create: 2022-04-03 11:38
 **/
@DubboService
public class VideoApiImpl implements VideoApi{
    @Autowired
    private MongoTemplate mongoTemplate;

    @Autowired
    private IdWorker idWorker;
    /**
     * 上传视频
     * @param video
     * @return
     */
    @Override
    public String save(Video video) {
        //1、设置属性
        video.setVid(idWorker.getNextId("video"));
        video.setCreated(System.currentTimeMillis());
        //2、调用方法保存对象
        mongoTemplate.save(video);
        //3、返回对象id
        return video.getId().toHexString();

    }

    @Override
    public List<Video> findMovementsByVids(List<Long> vids) {
        Query query = Query.query(Criteria.where("vid").in(vids));
        return mongoTemplate.find(query,Video.class);
    }

    @Override
    public List<Video> queryVideoList(int page, Integer pagesize) {
        Query query = new Query().limit(pagesize).skip((page -1) * pagesize)
                .with(Sort.by(Sort.Order.desc("created")));
        return mongoTemplate.find(query,Video.class);
    }

    //视频用户关注
    @Override
    public void saveFocusUser(FocusUser focusUser) {
        focusUser.setId(ObjectId.get());
        focusUser.setCreated(System.currentTimeMillis());
        mongoTemplate.save(focusUser);
    }

    //视频用户取消关注
    @Override
    public void deleteFocusUser(Long userId, Long followUserId) {
        Criteria criteria = Criteria.where("userId").is(userId)
                .and("followUserId").is(followUserId);
        mongoTemplate.remove(new Query(criteria),FocusUser.class);
    }

    @Override
    public PageResult findByUserId(Integer page, Integer pagesize, Long uid) {
        Query query = new Query(Criteria.where("userId").is(uid)).limit(pagesize).skip((page -1) * pagesize)
                .with(Sort.by(Sort.Order.desc("created")));
        List<Video> list = mongoTemplate.find(query, Video.class);
        long count = mongoTemplate.count(query, Video.class);
        return new PageResult(page,pagesize,count,list);
    }
}
